Now Twycross is repeating the offer, although this time visitors will have longer to take advantage of it.

Announcing the February offer, Twycross Zoo said: "We're doing it again - £10 per adult and £5 per child - but this time for two whole weeks.

"As a conservation charity, we were delighted so many of you took us up on our end of January sale.

"We listened to your feedback and we were disappointed that some of you couldn't gain entry that weekend.

"So as a gesture in kind to our community of loyal visitors we are running the exact same offer but this time for the whole of February half term - so there is plenty of time for you to take advantage of this amazing offer!"

During the last weekend of January, the zoo ran the same offer, and it was so popular that four miles of queues backed up outside the zoo.

Entrance to Twycross Zoo - which hopefully more guests will get to see

Some visitors made long trips to Twycross, only to go home without having seen any animals.

Karla Wilkins said she had done a two hour, 80 mile trip with a two year-old and hadn’t seen any animals.

She said: “There should have been more communication online.

She added: “Perhaps do ticketed events in future and get an overfill car park if you can’t cope with lots of visitors. Gutted.”

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What's happening at Twycross

On this month's offer, Karen Clarke, Director of Operations at Twycross Zoo, said: "As a gesture of appreciation to our community and loyal visitors, we wanted to ensure that everyone had the opportunity to take part in this offer and so we are running it again, but this time over a longer period.

"This offer is still subject to availability, as with all sales, but we hope families will come and enjoy a fun filled family day out at Twycross Zoo this February Half Term."

The offer is available from February 10 to February 25 and must be redeemed on the gate.